dragon segfault with gcc 4.6 trunk and -fexpensive-optimizations and enabled gcc optimizer

[llvmbot]

Bugzilla Link	11058
Resolution	FIXED
Resolved on	Oct 11, 2011 10:31
Version	trunk
OS	Linux
Attachments	testcase source file
Reporter	LLVM Bugzilla Contributor

Extended Description

g++ -march=native -O1 -fexpensive-optimizations -fplugin=dragonegg.so -fplugin-arg-dragonegg-enable-gcc-optzns test.cpp -o test

*** WARNING *** there are active plugins, do not report this as a bug unless you can reproduce it without enabling any plugins.
Event | Plugins
PLUGIN_FINISH_UNIT | dragonegg
PLUGIN_FINISH | dragonegg
PLUGIN_START_UNIT | dragonegg
PLUGIN_ALL_IPA_PASSES_END | dragonegg
test.cpp: In function ‘test(SelectiveAck const*)’:
test.cpp:23:8: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See http://bugs.gentoo.org/ for instructions.

[llvmbot]

Caused by lack of support for widening vector multiplication. I already knew
about this, but I will move it up in my list of things to do.

[llvmbot]

Fixed here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20111010/129617.html